Question
Justin and Mark shared some pens. Justin took 511 of the pens. After Justin lost 16 pens, Mark had twice as many pens as Justin. How many pens did Mark have in the end?
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Justin and Mark shared some pens. Justin took 511 of the pens. After Justin lost 16 pens, Mark had twice as many pens as Justin. How many pens did Mark have in the end?